Best AI Grammar Checkers

Tested and ranked: the top 10 tools in this category.

#1

ChatGPT

✍️ Writing & Content
9.5/10

The most popular AI chatbot. Best for writing, brainstorming, coding help, and general questions.

✅ Pros:
  • • Free tier generous
  • • Excellent at writing
❌ Cons:
  • • Can be confident but wrong
  • • Free tier has limits
Pricing: Free | $20/mo
Full Review →
#2

Claude

✍️ Writing & Content
9.3/10

Anthropic's AI assistant. Better at nuanced writing and analysis.

✅ Pros:
  • • Thoughtful responses
  • • Better at creative writing
❌ Cons:
  • • Free tier limited
  • • Slower sometimes
Pricing: Free | $20/mo
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#3

Grammarly

✍️ Writing & Content
8.9/10

AI writing assistant with grammar checking and tone suggestions.

✅ Pros:
  • • Excellent grammar checking
  • • Works everywhere
❌ Cons:
  • • Premium expensive
  • • AI features limited
Pricing: Free | $12/mo
Full Review →
#4

Sudowrite

✍️ Writing & Content
8.7/10

AI writing tool specifically for fiction and creative writing.

✅ Pros:
  • • Great for fiction
  • • Story development
❌ Cons:
  • • Expensive
  • • Learning curve
Pricing: $10/mo | $25/mo
Full Review →
#5

Wordtune

✍️ Writing & Content
8.4/10

AI writing companion that suggests rewrites and improvements.

✅ Pros:
  • • Smart suggestions
  • • Chrome extension
❌ Cons:
  • • Premium expensive
  • • Can be too aggressive
Pricing: Free | $10/mo
Full Review →
#6

Lex

✍️ Writing & Content
8.3/10

AI-powered writing tool for articles and long-form content.

✅ Pros:
  • • Clean interface
  • • AI suggestions
❌ Cons:
  • • Limited free tier
  • • Still in beta
Pricing: Free | $12/mo
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#7

Quilbot

✍️ Writing & Content
8.2/10

AI paraphrasing tool and grammar checker.

✅ Pros:
  • • Excellent paraphrasing
  • • Citation generator
❌ Cons:
  • • Premium needed for best features
  • • Can change meaning
Pricing: Free | $9/mo
Full Review →
#8

Writesonic

✍️ Writing & Content
8.1/10

AI writer with ChatGPT-4 access and SEO tools.

✅ Pros:
  • • Affordable
  • • ChatGPT-4 access
❌ Cons:
  • • Interface cluttered
  • • Quality varies
Pricing: $16/mo | $500 lifetime
Full Review →
#9

Anyword

✍️ Writing & Content
8.1/10

AI copywriting with predictive performance scores.

✅ Pros:
  • • Performance predictions
  • • A/B testing
❌ Cons:
  • • Expensive
  • • Marketing focused
Pricing: $49/mo
Full Review →
#10

ProWritingAid

✍️ Writing & Content
8.0/10

Writing coach and grammar checker for serious writers.

✅ Pros:
  • • In-depth reports
  • • Style suggestions
❌ Cons:
  • • Expensive
  • • Overwhelming for beginners
Pricing: $20/mo | $399 lifetime
Full Review →

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